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Perchloric acid is used as a precursor for ammonium perchlorate, which is used in rocket fuel. It is useful for etching of liquid crystal displays, etching of chrome, ore extraction and in analytical chemistry. It is used as a strong oxidizer and as a solvent for metals and alloys. It serves as a deproteinization reagent in food analysis. As a dehydrating agent, it is used for the determination of silica in iron and steel and in cement and other silicate materials. It is involved in the separation and determination of copper and other metals and alkali metals such as sodium and potassium. It is also used as an adjunct to increase the reduction potential of cerate salts in volumetric analysis. It finds application in the computer industry for etching liquid crystal displays in critical electronic applications.
Utsunomiya, T.; Tatsumi, S.; Yokota, Y.; Fukui, K. I. Potential-dependent structures investigated at the perchloric acid solution/iodine modified Au(111) interface by electrochemical frequency-modulation atomic force microscopy. Phys. Chem. Chem. Phys. 2015, 17 (19), 12616-12622.
Lu, J.; Pulsipher, B. S.; Grenache, D. G. Development of an enzymatic assay to measure lactate in perchloric acid-precipitated whole blood. Clin. Chim. Acta 2015, 444, 208-211.
Hazard Statements: H271-H314
May cause fire or explosion; strong oxidizer. Causes severe skin burns and eye damage.
Precautionary Statements: P221-P283-P303+P361+P353-P305+P351+P338-P405-P501a
Take any precaution to avoid mixing with combustibles. Wear fire/flame resistant/retardant clothing. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.